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diff --git a/chrome/browser/geolocation/location_provider_pool.h b/chrome/browser/geolocation/location_provider_pool.h
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+// Copyright 2008, Google Inc.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are met:
+//
+//  1. Redistributions of source code must retain the above copyright notice,
+//     this list of conditions and the following disclaimer.
+//  2. Redistributions in binary form must reproduce the above copyright notice,
+//     this list of conditions and the following disclaimer in the documentation
+//     and/or other materials provided with the distribution.
+//  3. Neither the name of Google Inc. nor the names of its contributors may be
+//     used to endorse or promote products derived from this software without
+//     specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+// EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef GEARS_GEOLOCATION_LOCATION_PROVIDER_POOL_H__
+#define GEARS_GEOLOCATION_LOCATION_PROVIDER_POOL_H__
+
+// TODO(joth): port to chromium
+#if 0
+
+#include <map>
+#include "gears/base/common/common.h"
+#include "gears/base/common/mutex.h"
+#include "gears/base/common/scoped_refptr.h"  // For RefCount
+#include "gears/base/common/string16.h"
+#include "gears/geolocation/location_provider.h"
+
+class LocationProviderPool {
+ public:
+  LocationProviderPool();
+  ~LocationProviderPool();
+
+  static LocationProviderPool *GetInstance();
+
+  // Registers a listener with a given type of location provider. Creates the
+  // provider if the pool does not alrerady contain an instance of that
+  // provider. Returns the provider, or NULL if it cannot be created.
+  LocationProviderBase *Register(
+      BrowsingContext *browsing_context,
+      const std::string16 &type,
+      const std::string16 &url,
+      const std::string16 &host,
+      bool request_address,
+      const std::string16 &language,
+      LocationProviderBase::ListenerInterface *listener);
+
+  // Unregister a listener from a given location provider. Deletes the provider
+  // if there are no remaining listeners registered with it. Return value
+  // indicates whether the provider was found in the pool.
+  bool Unregister(LocationProviderBase *provider,
+                  LocationProviderBase::ListenerInterface *listener);
+
+  // Configures the pool to return a mock location provider for the type "MOCK".
+  // This method is used only by the Gears test object.
+  void UseMockLocationProvider(bool use_mock_location_provider);
+
+  LocationProviderBase *NewProvider(BrowsingContext *browsing_context,
+                                    const std::string16 &type,
+                                    const std::string16 &url,
+                                    const std::string16 &host,
+                                    const std::string16 &language);
+
+ private:
+  static LocationProviderPool instance_;
+
+  typedef std::pair<LocationProviderBase*, RefCount*> ProviderPair;
+  typedef std::map<std::string16, ProviderPair> ProviderMap;
+  ProviderMap providers_;
+  Mutex providers_mutex_;
+
+  bool use_mock_location_provider_;
+
+  DISALLOW_EVIL_CONSTRUCTORS(LocationProviderPool);
+};
+
+#endif  // if 0
+
+#endif  // GEARS_GEOLOCATION_LOCATION_PROVIDER_POOL_H__